Fitness advantage increasing with frequency indicates:
Positive frequency dependence reflects key principle in quiz on section a solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Positive frequency dependence aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Positive frequency dependence fits helps integrate natural selection,
Ref: Campbell Biology, Evolution Chapters, Selection Types.